Inhibitor of ribosomal RNA synthesis in Xenopus laevis embryos. I. Changes in activity in activity of the inhibitor during development and its distribution in early gastrulae.
D000818:Animals; D001001:Anura; D004625:Embryo, Nonmammalian / Q000032:analysis; D005314:Embryonic and Fetal Development; D012313:RNA / Q000037:antagonists & inhibitors* / Q000096:biosynthesis; D014020:Tissue Extracts / Q000032:analysis / Q000494:pharmacology*
D014020:Tissue Extracts; D012313:RNA